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Issue: Vol. 5380 No. 1: 28 Nov. 2023
Type: Article
Published: 2023-11-28
DOI: 10.11646/zootaxa.5380.1.3
Page range: 37-55
Abstract views: 208
PDF downloaded: 19

Monoecocestus (Cestoda: Anoplocephalidae) diversity in Sigmodontinae rodents characterized by morphology and molecular methods

Centro de Estudios Parasitológicos y de Vectores (CEPAVE); Bv 120 e/ 60 y 64; (1900). CCT- CONICET- La Plata; Universidad Nacional de La Plata; La Plata; Buenos Aires; Argentina
Centro de Estudios Parasitológicos y de Vectores (CEPAVE); Bv 120 e/ 60 y 64; (1900). CCT- CONICET- La Plata; Universidad Nacional de La Plata; La Plata; Buenos Aires; Argentina
Centro de Estudios Parasitológicos y de Vectores (CEPAVE); Bv 120 e/ 60 y 64; (1900). CCT- CONICET- La Plata; Universidad Nacional de La Plata; La Plata; Buenos Aires; Argentina
Departamento de Microbiología y Parasitología; Facultad de Farmacia; Universidad de Sevilla; Sevilla; España
Platyhelminthes Argentina distribution Monoecocestus Rodentia Sigmodontinae

Abstract

This paper provides new morphological and molecular data for identifying Monoecocestus species from rodents: a) morphological update of Monoecocestus spp., b) morphological data on Anoplocephalidae taxa from Sigmodontinae rodents, c) analyses of the genetic distances between the specimens studied and other Anoplocephalidae from rodents available in GenBank, and phylogenetic inferences. A total of 25 specimens of Holochilus spp. were examined from four provinces of Argentina. Cestodes specimens were removed from the rodents’ small intestines. Conventional studies were used for the morphological and molecular analysis. Four taxa of Monoecocestus were identified. Monoecocestus threlkeldi was identified as first record in Holochilus chacarius and from Argentina. Molecular and morphological aspects of Monoecocestus sp.1, Monoecocestus sp.2 and Monoecocestus sp.3 were described. Specimens belonging to the genus Monoecocestus may represent closely related species, demonstrating the importance of using integrative taxonomic approaches to understand biological diversity. The continuity of the studies on Anoplocephalidae will allows to advance in investigation of molecular analyses and ecological aspects that determine parasite-host-environment relationship.

 

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